Australia ASX 200

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About ASX 200 Index

Australia 200 Index

The ASX 200 index is the most important index made up of the 200 largest ASX listed stocks. It is a market-capitalization weighted and float-adjusted stock market index of stocks listed on the Australian Securities Exchange. ASX 200 index was introduced in 31 March 2000. Its baseline value was established at 3133.3, equal to the value of the All Ordinaries at that date.

The ASX 200 index is maintained by Standard & Poor’s and is considered the benchmark for Australian equity performance. The ASX 200 consists of the 200 Australian ASX listed stocks. The ASX 200 represent around 82% of the entire market capitalization traded on the Australia’s share market. The ASX 200 index is capitalization-weighted, meaning a company’s contribution to the index is relative to its total market value i.e. share price multiplied by the number of tradeable shares. It is also the complete numerical contribution to the index is relative to the stock’s value at the float of the stock.

A security must be listed on the ASX and be an ordinary or preferred equity stock. Its average daily market capitalization for the previous 6 months must be considered institutionally investable and meet a minimum benchmark size. Liquidity must be adequate and its public float must also meet a minimum requirement.

The ASX 200 is traded each trading day on the Australian equity market between 9:00 am and 5:30 pm; the index level is calculated and updated and published once a second.